Home / 14,953.57-20,635.65-8,239.82

Finding the Fourth Proportional to 14,953.57, 20,635.65 and 8,239.82

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Solution

The fourth proportional to 14,953.57, 20,635.65 and 8,239.82 is: 11,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.57 : 20,635.65 = 8,239.82 : x
  2. Step 2: Convert to fraction form
    14,953.57/20,635.65 = 8,239.82/x
  3. Step 3: Cross multiply
    14,953.57x = 20,635.65 × 8,239.82
  4. Step 4: Simplify right side
    14,953.57x = 170,033,938.40
  5. Step 5: Solve for x
    x = 170,033,938.40/14,953.57
  6. Step 6: Final answer
    x = 11,370.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.